> > The input to RSA_sign() must be smaller than BN_num_bytes(rsa->n) minus > PKCS#1 padding bytes and some bytes for the asn1 digest encoding.
where is it written ? > > [...] > > so I don't understand what is going on with the value 100...and more I > > don't know how to sign my real buffer (length ~= 500 octets) > > Hash your buffer and then sign the hash value with RSA_sign() > ( or better : use the EVP_Sign* functions ). Is it a standard way to proceed ? ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]